30321102312122 has 4 divisors (see below), whose sum is σ = 45481653468186. Its totient is φ = 15160551156060.

The previous prime is 30321102312113. The next prime is 30321102312199. The reversal of 30321102312122 is 22121320112303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29253721986241 + 1067380325881 = 5408671^2 + 1033141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7580275578029 + ... + 7580275578032.

Almost surely, 2^{30321102312122} is an apocalyptic number.

30321102312122 is a deficient number, since it is larger than the sum of its proper divisors (15160551156064).

30321102312122 is a wasteful number, since it uses less digits than its factorization.

30321102312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160551156063.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30321102312122 its reverse (22121320112303), we get a palindrome (52442422424425).

The spelling of 30321102312122 in words is "thirty trillion, three hundred twenty-one billion, one hundred two million, three hundred twelve thousand, one hundred twenty-two".